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Postharvest quality of Achillea millefolium L., Origanum vulgare L. and Petroselinum crispum (Miller) A.W. Hill in three types of packaging.

Silva, F.; Casali, V. W. D.; Lima, R. R.; Andrade, N. J.;

Revista Brasileira de Plantas Medicinais Year: 1999 Vol: 2 Issue: 1 Pages: 37-41 Ref: 12 ref.

1999

บทคัดย่อ

Postharvest quality of Achillea millefolium L., Origanum vulgare L. and Petroselinum crispum (Miller) A.W. Hill in three types of packaging.

Most medicinal plants are marketed in dehydrated form. Oregano, parsley and yarrow were dehydrated in a dry chamber (with RH ranging from 50 to 60%), then stored in glass containers, in low density polyethylene or in paper packages and stored in the dry chamber or in a shut room. The treatments were evaluated after 1 week, 6 months and 1 year of storage, by sensorial and microbiological analysis of the leaves. The microbiological quality showed no statistical differences after 1 week, however, after 6 months, the yarrow (1900 UFC/g) and the parsley (1840 UFC/g) presented better microbiological quality in the dry chamber when stored in glass containers; the oregano maintained similar microbiological quality in the dry chamber (1660 UFC/g) and in the shut room (1700 UFC/g), in both glass and polyethylene. After 1 year, only the oregano maintained desirable microbiological characteristics when packaged in polyethylene or glass and stored in the dry chamber or shut room; in all 3 species the largest

 contamination occurred with storage in paper.